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Question
Construct a frequency distribution table for the following distributions:
| Marks (more than) | 0 | 10 | 20 | 30 | 40 | 50 | 60 | 70 | 80 | 90 | 100 |
| Cumulative frequency | 100 | 87 | 65 | 55 | 42 | 36 | 31 | 21 | 18 | 7 | 0 |
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Solution
| Marks (more than) |
Cumulative frequency |
Frequency |
| 0-10 | 100 | 13 |
| 10-20 | 87 | 22 |
| 20-30 | 65 | 10 |
| 30-40 | 55 | 13 |
| 40-50 | 42 | 6 |
| 50-60 | 36 | 5 |
| 60-70 | 31 | 10 |
| 70-80 | 21 | 3 |
| 80-90 | 18 | 11 |
| 90-100 | 7 | 7 |
| Total | 100 |
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| Class | 60-70 | 70-80 | 80-90 | 90-100 | Total |
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